1 Department of Ear, Nose, and Throat, Alaska Native Tribal Health Consortium, Anchorage, Alaska, USA.
2 Department of Pediatrics, Division of Neonatal Medicine, Norton Children's Hospital, University of Louisville, Louisville, Kentucky, USA.
3 Audiology, Seattle Children's Hospital, Seattle, Washington, USA.
4 Department of Pediatrics, University of Washington School of Medicine, Treuman Katz Center for Pediatric Bioethics and Palliative Care, Division of Bioethics and Palliative Care, Seattle Children's Research Institute, Seattle, Washington, USA.
5 Department of Surgery, Division of Pediatric Otolaryngology, Seattle Children's Hospital, Seattle, Washington, USA.
6 Department of Otolaryngology-Head and Neck Surgery, University of Washington School of Medicine, Seattle, Washington, USA.